Description General description A certified Snap-N-Spike® solution suitable for use as starting material in calibrators and controls for norcarfentanil LC/MS or GC/MS testing methods in clinical toxicology, urine drug testing, prescription monitoring, or forensic analysis applications. Norcarfentanil is a major urinary metabolite of carfentanyl, a potent synthetic opioid analgesic drug structurally related to fentanyl. It is used in combination with other opioids and analgesics to induce or supplement general anesthesia. Legal Information CERILLIANT is a registered trademark of Cerilliant Corporation Snap-N-Spike is a registered trademark of Cerilliant Corporation